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April 16, 2014

April 16, 2014

Posted by **Sara** on Tuesday, March 27, 2007 at 5:08pm.

f(a)=-4, g(a)=c, g(c)=10, f(c)=15

f'(a)=8, g'(a)=b, g'(c)=5, f'(c)=6

If h(x)=f(g(x)). find h'(a)?

i'm not really sure how to get the answer. g'(a)=b, f'(b)=? How do i go about doing this. My reasoning must be wrong.

h'(x)= f'(g(x))*g'(x)

if x=a

h'(a)=f'(g(a))*g'(a)

=f'(c) * b = 6b

check my thinking.

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